Sodium Tungstate

Grade WO3 (%,min) Impurities (%,max ) Water Insoluble
Mo As Al Fe Si
High-pure Grade 69 0.02 0.01 0.025 0.005 0.04 0.01%,max
Commom Grade I 68 0.02 0.015   0.025 0.04  
II 68 0.05 0.015        

Packing:In sealde plastic bags with outer iron drums of 100/200 kgs net each. we can meet your special requirements.